add den pattern

hosts/balrog/default.nix

@@ -1,7 +1,3 @@
-# Edit this configuration file to define what should be installed on
-# your system. Help is available in the configuration.nix(5) man page, on
-# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
-
 { config
 , lib
 , pkgs
@@ -10,32 +6,24 @@
 
 {
   imports = [
-    # Include the results of the hardware scan.
     ./hardware-configuration.nix
-    ../../modules/home-manager.nix
-    ../../modules/common.nix
-    ../../modules/users.nix
-    ../../modules/locales.nix
-    ../../modules/services.nix
-    ../../modules/programs.nix
-    ../../modules/docker.nix
-    ../../modules/printing.nix
-    ../../modules/bambu-studio-flatpak.nix
-    ../../modules/arduino-ide.nix
-    ../../modules/devenv.nix
-    ../../modules/vlc.nix
-    ../../modules/btop.nix
-    ../../modules/lazygit.nix
-    #    ../../modules/bitwarden.nix
   ];
 
+  features.modules = {
+    core.enable = true;
+    development.enable = true;
+    hardware.enable = true;
+    multimedia.enable = true;
+    system.enable = true;
+  };
+
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
   boot.loader.systemd-boot.enable = false;
   boot.loader = {
     efi = {
       canTouchEfiVariables = true;
-      efiSysMountPoint = "/boot/efi"; # ← use the same mount point here.
+      efiSysMountPoint = "/boot/efi";
     };
     grub = {
       efiSupport = true;
@@ -76,5 +64,5 @@
     }
   ];
 
-  system.stateVersion = "25.11"; # Did you read the comment?
+  system.stateVersion = "25.11";
 }